Global Water And Wastewater Treatment Chemicals Market By Type (Ph Adjusters & Softeners, Flocculants & Coagulants, Corrosion Inhibitors, Scale Inhinitors/Dispersants, Biocides & Disinfectants, And Other), By Application (Papermaking Waste Water Treatment, Industrial Water Treatment, Drinking Water Treatment, Cooling Water Treatment, And Other.), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028